The definition of binocular is something that uses both eyes at the same time.(adjective)
An example of something binocular is the vision you use to look through 3D glasses; binocular vision.
A binocular is defined as a device used to view things far away, often referred to as binoculars.(noun)
An example of a binocular is a set of opera glasses.
See binocular in Webster's New World College Dictionary
Origin: < L bini, double (see binary) + ocularis, of the eyes < oculus, eye
See binocular in American Heritage Dictionary 4
pair of binoculars
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